{"id":"CVE-2026-101764","kind":"vulnerability","aliases":["CVE-2026-101764"],"related":[],"title":"Oracle Billing and Revenue Management: low-privilege local user reads critical data","description":"Vulnerability in the Oracle Communications Billing and Revenue Management product of Oracle Communications (component: BRM Server).  Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and  15.2.0.0.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Communications Billing and Revenue Management executes to compromise Oracle Communications Billing and Revenue Management.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Communications Billing and Revenue Management accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).","summary":"Oracle Communications Billing and Revenue Management (BRM) Server versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a low-privileged user who can log on to the host access data they should not see. The CVSS 3.1 score is 5.5, with impact limited to confidentiality.","severity":"medium","cvss":5.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["brm","oracle-communications","telecom-billing","vendor"],"not_affected_if":["no-local-logon","other-versions"],"how_to_check":"- Confirm the BRM Server version in use is one of `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` or `15.2.0.0.0`\n- unknown for any command or file path, as the sources do not say","fix":"- Apply the Oracle Critical Patch Update for Oracle Communications Billing and Revenue Management; the patched version is unknown from the sources","status":"open","published_at":"2026-10-20T22:18:31+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-25T04:12:19+00:00","updated_at":"2026-10-25T04:12:19+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T04:12:19Z","model":"claude-haiku-5-5","output":{"fix":"- Apply the Oracle Critical Patch Update for Oracle Communications Billing and Revenue Management; the patched version is unknown from the sources","reach":"local","title":"Oracle Billing and Revenue Management: low-privilege local user reads critical data","impact":"medium","summary":"Oracle Communications Billing and Revenue Management (BRM) Server versions 15.0.0.0.0 through 15.2.0.0.0 contain a flaw that lets a low-privileged user who can log on to the host access data they should not see. The CVSS 3.1 score is 5.5, with impact limited to confidentiality.","category":"vendor","nicknames":[],"who_cares":["oracle-communications","brm","telecom-billing"],"confidence":0.6,"needs_auth":"yes","worst_case":"Low-privileged local user reads critical BRM data","analyst_note":"Check the Oracle Critical Patch Update advisory for the fixed BRM Server version and any listed workaround, since the sources give no fix.","how_to_check":"- Confirm the BRM Server version in use is one of `15.0.0.0.0`, `15.0.1.0.0`, `15.1.0.0.0` or `15.2.0.0.0`\n- unknown for any command or file path, as the sources do not say","needs_analyst":true,"not_affected_if":["other-versions","no-local-logon"],"who_is_affected":"Teams that run Oracle Communications Billing and Revenue Management BRM Server in the affected 15.x releases. The attacker must already have a logon on the infrastructure where BRM runs, so hosts with no shell access for other users carry less risk. Teams on other versions or without BRM can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.00066,"input_tokens":3527,"output_tokens":615,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-101764':16A,19A '-2026':15A,18A '/av':166C '15.0.0.0.0':37B,96C '15.0.1.0.0':97C '15.1.0.0.0':98C '15.2.0.0.0':39B,100C '3.1':65B,156C,165C '5.5':68B,159C 'access':57B,138C,144C,153C 'affect':94C 'allow':104C 'attack':107C,130C 'base':157C 'bill':2A,26B,30B,79C,116C,125C,149C 'brm':20B,34B,88C 'communic':23B,29B,78C,86C,115C,124C,148C 'complet':143C 'compon':87C 'compromis':122C 'confidenti':73B,160C 'contain':40B 'critic':12A,140C 'cve':14A,17A 'cvss':64B,155C,162C,164C 'data':13A,58B,141C,154C 'easili':101C 'execut':120C 'exploit':102C 'flaw':42B 'h/i':172C 'host':56B 'impact':70B,161C 'infrastructur':112C 'l/ac':167C 'l/pr':168C 'l/ui':169C 'let':44B 'limit':71B 'local':9A 'log':52B 'logon':109C 'low':7A,47B,105C 'low-privileg':6A,46B 'manag':5A,33B,82C,119C,128C,152C 'n':174C 'n/a':173C 'n/s':170C 'oracl':1A,22B,28B,77C,85C,114C,123C,147C 'oracle-commun':21B 'privileg':8A,48B,106C 'product':83C 'read':11A 'result':135C 'revenu':4A,32B,81C,118C,127C,151C 'score':66B,158C 'see':62B 'server':35B,89C 'success':129C 'support':90C 'telecom':25B 'telecom-bil':24B 'u/c':171C 'unauthor':137C 'user':10A,49B 'vector':163C 'vendor':27B 'version':36B,91C 'vulner':74C,103C,133C","nicknames":[],"mitigations":[],"who_affected":"Teams that run Oracle Communications Billing and Revenue Management BRM Server in the affected 15.x releases. The attacker must already have a logon on the infrastructure where BRM runs, so hosts with no shell access for other users carry less risk. Teams on other versions or without BRM can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:31+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"secalert_us@oracle.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-101764","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101764","severity":null,"published_at":"2026-10-20T22:18:31+00:00","modified_at":"2026-10-22T18:17:21+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","fetched_at":"2026-10-23T22:28:59+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}